Even on the most solemn occasions I got away without wearing socks and hid that lack of civilization in high boots

Learn from yesterday, live for today.

Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.

It is a magnificent feeling to recognize the unity of complex phenomena which appear to be things quite apart from the direct visible truth.

Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.

My mind is my laboratory.

The Constitution only guarantees the American people the right to pursue happiness. You have to catch it yourself. A table, a chair, a bowl of fruit and a violin; what else does a man need to be happy?